Keto Low-Carb Philly Cheesesteak Casserole is a rich, cheesy, and satisfying low-carb version of the classic Philly cheesesteak. Instead of using bread, this recipe focuses on tender beef, sautéed vegetables, and a creamy cheese sauce baked together into a hearty casserole. It delivers the same bold, savory flavors you expect from a traditional cheesesteak but in a form that fits perfectly into a keto lifestyle.
The base of this dish is thinly sliced beef, preferably ribeye or sirloin, which provides tenderness and deep beefy flavor. When seared properly, the meat develops a rich browned surface that enhances the overall taste of the casserole. Combined with onions, bell peppers, and mushrooms, the dish gains a balance of sweetness, earthiness, and texture that complements the richness of the beef.
The creamy element is what transforms this dish into a true keto comfort meal. Cream cheese and heavy cream create a smooth, velvety sauce that coats every piece of meat and vegetable. As it bakes, this mixture thickens slightly and absorbs the flavors of garlic, smoked paprika, and seasoning, creating a cohesive and flavorful base that holds the casserole together.
A generous layer of cheese on top completes the dish, adding both texture and flavor. Mozzarella and provolone melt into a golden, bubbling crust that locks in moisture and gives each bite a stretchy, creamy finish. The baked edges become lightly crisp while the center remains soft and rich, making every spoonful deeply satisfying.
Overall, this casserole is not only delicious but also practical for everyday cooking and meal prep. It stores well in the refrigerator and reheats easily without losing its creamy texture or bold flavor. Whether you are following a strict keto diet or simply reducing carbs, this dish offers a filling and comforting dinner option that feels indulgent without the guilt.
Ingredients
- 500g thinly sliced beef (ribeye or sirloin)
- 1 medium onion, sliced
- 1 green bell pepper, sliced
- 1 red bell pepper, sliced (optional)
- 200g mushrooms, sliced
- 2 tbsp butter
- 2 tbsp olive oil
- 3 cloves garlic, minced
- 1 tsp salt
- 1/2 tsp black pepper
- 1 tsp smoked paprika
- 1/2 tsp chili flakes (optional)
- 200g cream cheese, softened
- 1/2 cup heavy cream
- 1 1/2 cups shredded mozzarella cheese
- 1 cup shredded provolone or cheddar cheese
- Fresh parsley for garnish
Instructions
- Heat olive oil and butter in a large pan over medium-high heat. Add beef, season with salt, pepper, and paprika, and cook until browned. Remove and set aside.
- In the same pan, cook onions, bell peppers, mushrooms, and garlic until softened and lightly caramelized.
- Reduce heat and mix in cream cheese until melted. Add heavy cream and stir until smooth.
- Return beef to the pan and combine everything until well coated.
- Transfer to a baking dish, top with mozzarella and provolone cheese, and bake at 190°C (375°F) for 15–20 minutes until bubbly and golden.
- Garnish with parsley and serve hot.
Nutrition Facts (Per Serving, 6 servings total)
- Calories: ~420 kcal
- Protein: ~32 g
- Fat: ~30 g
- Net Carbs: ~6 g
- Fiber: ~1.5 g
- Sugar: ~2 g
